Andrezza, my corrections and changes to your text are shown below:
Police is insvestigating a case of confidence trick. According to neighbors, a man, whose name was not revealed, was trying to sell phoney concert tickets for an event that will take place in the city. The real tickets were being sold for 10 reais and are now sold out. The suspect was charging 5 reais for the fake tickets. The man was caught (or arrested) by police and taken to the police station to provide a statement. No witnessess provided their testimonies yet.